My opinion of Knack has changed completely after this trailer

[snyps]

S.T.A.G.E. said:

I guess I will be picking up three games at the InFamous launch with my PS4 in Feburary. This video has got me hyped not only for the character and gameplay but the overall story. Its like a pixar story.

http://www.ign.com/videos/2013/08/30/knack-gamescom-trailer

What about the story do you like? And what about the gameplay do you like?